Improvement in cupola-furnaces



Patented )une i3, 1871.

ANSON Gr. COOK, OF BURLDTGTON, VERMONT.

IMPROVEMENT IN CUPOLA-FURNACES.

Specification forming part of Letters Patent No. 115,823, dated June 13, 1871.

I, Anson G. Coon, of Burlington, in the county of Chittenden and State of Vermont, have invented eertain Improvements in Oupola-Furnaces, of which the following is a speeilication l Nut-me and Objects of the Intention.

The iirst part. of my invention relates to a bed Within the cupola-furnace, formed by eontracting the inner lining and then receding; 'the objects of this part of my invention being to make a bed upon which to lay the iron; to be able to burn bituminous, soft, and hard coal, and all other fuel; to concentrate the heat at the center of the cupola; to form a rire and gas chamber below the iron 5 to raise the iron above the tire and allow the gas to ignite before passing through the iron. The second part of niy invention relates to the combination with the irst'1 art, for the objects therein set forth, of one or more apertures thron gli the shell and lining oi' the cupola-furnace, Whieh apertures are furnished with a door or doors, so that they can be closed; the objeets of this part of niy invention being to be able to supply the lire with i'uel at any time, and in such quantities as is desired; to be able to keep the lire, and therefore the furnace, completely under the control of the operator; to be able to heat the iron very slowly by controlling the lire, therefore annealing it to any extent; to be able to keep the furnace in operation an indefinite length of time.

Description of the Accompanying Drawing.

It is a longitudinal section of a cupo1afur naee embodying my invention.

Genera-Z Description.

A A represent the shell; B, the bed-plate; and O, one of the tuyeres of any common oupola. D D represent the stationary bed, for the purposes hereinbefore set forth. lt is eon struoted of iirebrick, by beginning at the bedplate or above, and graduz'illy contracting the inner lining to a point suiiioiently above for the purposes hereinbei'ore set forth, and then receding by one or more otfset's or otherwise.

-The iron is introduced from the top of the ou- I claim as my invention- 1. The bed D D, substantiallyr as and for the purposes hereinbefore set forth.

2. The combination', with the bed D D, of one or more apertures, as E, substantially as and for the purposes hereinbefore set forth.

ANSON Gr. COOK.

Witnesses:

EDMUND BRO'WN, G. L. WARNER. 

